CN111510062A - Street lamp automatically cleaning photovoltaic board for new forms of energy - Google Patents
Street lamp automatically cleaning photovoltaic board for new forms of energy Download PDFInfo
- Publication number
- CN111510062A CN111510062A CN202010321293.9A CN202010321293A CN111510062A CN 111510062 A CN111510062 A CN 111510062A CN 202010321293 A CN202010321293 A CN 202010321293A CN 111510062 A CN111510062 A CN 111510062A
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- Prior art keywords
- street lamp
- photovoltaic panel
- groove
- dust
- wall
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- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 51
- 238000004804 winding Methods 0.000 claims abstract description 20
- 230000005291 magnetic effect Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 3
- 238000007790 scraping Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a street lamp self-cleaning photovoltaic panel for new energy, which comprises a street lamp body and a photovoltaic panel arranged on the street lamp body through an installation plate, and is characterized in that an equipment groove is formed in the street lamp body, a movable plate is vertically and slidably connected in the equipment groove, a plurality of reset springs and bar magnets are respectively connected to two sides of the movable plate, a plurality of winding coils are arranged on the wall of the equipment groove, each bar magnet is slidably connected in the corresponding winding coil, and a strong magnetic block is connected to the movable plate through a connecting rod. The solar street lamp dust removing device can automatically remove dust from the photovoltaic panel of the street lamp without the input of an external energy mechanism, is more energy-saving and environment-friendly, conforms to the concept of new energy cleaning and environment protection, can repeatedly operate, and has a good cleaning effect.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a street lamp self-cleaning photovoltaic panel for new energy.
Background
The energy sources such as coal, oil, natural gas and water energy which are widely used at present are generally called conventional energy sources, and with the limitation of the conventional energy sources and the increasingly prominent environmental problems, new energy sources which are characterized by environmental protection and regeneration are more and more emphasized by various countries.
In life, the solar photovoltaic panel is used for street lamp illumination and is one of the examples of solar energy wide utilization, utilize photovoltaic panel electricity generation to supply power for the street lamp, can reduce the degree of difficulty that the power supply was laid to the street lamp, the energy has been practiced thrift simultaneously, but in practice, the photovoltaic panel adsorbs the dust very easily, especially the raise dust that the vehicle took up when passing by on the highway is very easily fallen on the photovoltaic panel, thereby form the shadow on the photovoltaic panel, both reduced the generating efficiency of photovoltaic panel, can cause the facula effect, influence the life of photovoltaic panel, traditional adoption manual cleaning's mode is not only the work degree of difficulty big, also waste time and energy.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, a street lamp photovoltaic panel is easy to adsorb dust, influences the normal work of the photovoltaic panel and is difficult to clean, and provides a street lamp self-cleaning photovoltaic panel for new energy.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a street lamp automatically cleaning photovoltaic board for new forms of energy, the photovoltaic board through the mounting panel installation on street lamp body and the street lamp body, the equipment groove has been seted up on the street lamp body, the vertical sliding connection fly leaf in the equipment groove, the both sides of fly leaf are connected with a plurality of reset spring and bar magnet respectively, be equipped with a plurality of winding coils on the equipment groove cell wall, and the equal sliding connection of every bar magnet is in the winding coil that corresponds, be connected with strong magnetic block through the connecting rod on the fly leaf.
Preferably, the mounting plate is symmetrically provided with a plurality of sliding grooves, a first permanent magnet is slidably connected in each sliding groove, the upper inner wall and the lower inner wall of each sliding groove are fixedly connected with a conductive spring and a telescopic airbag respectively, one end of each conductive spring and one end of each telescopic airbag far away from the corresponding sliding groove inner wall are fixedly connected to the corresponding first permanent magnet respectively, a scraper is connected between the first permanent magnets, the mounting plate is provided with an ash collecting hopper, the ash collecting hopper is positioned above the photovoltaic panel, and the conductive springs are coupled with the winding coils respectively;
the mounting panel is provided with a plurality of air suction channels communicated with the elastic air bags, and a plurality of through holes and each through hole are communicated between each air suction channel and the ash collecting hopper.
Preferably, the scraper is glued with a rubber scraper strip which is always in contact with the photovoltaic panel.
Preferably, the dust collecting hopper is horizontally provided with a dust screen, and the communicating parts of the through holes and the dust collecting hopper are all positioned below the dust screen.
Preferably, each telescopic air bag is connected with a one-way exhaust pipe.
The invention has the beneficial effects that:
1. according to the invention, the bar magnet is driven to slide in the winding coil by utilizing the attraction between the strong magnet and the vehicle, so that the winding coil can generate induced electricity to provide energy for the operation of a subsequent mechanism, the input of an external energy mechanism is not needed, and the energy-saving and environment-friendly concept of new energy is further embodied.
2. According to the invention, by utilizing the characteristic that the conductive spring can contract after being electrified, the conductive spring drives the scraper to clean dust on the photovoltaic panel into the dust collecting hopper, so that the surface cleanliness of the photovoltaic panel is ensured, the power generation efficiency of the photovoltaic panel is improved, and the damage to the photovoltaic panel is reduced.
3. According to the invention, firstly, the air in the elastic air bag is pumped out by utilizing the movement of the first permanent magnet block, so that negative pressure is formed in the elastic air bag, and then when the scraper moves to the position above the dust collecting hopper, the air suction channel is opened, so that dust separated from the scraper can be quickly sucked into the dust collecting hopper, and meanwhile, the dust adhered to the scraper can be stripped and sucked into the dust collecting hopper, and further, the cleaning effect of the scraper on the photovoltaic panel is improved.
4. In the invention, the dust screen is arranged, so that dust entering the dust collecting hopper along with the airflow can be intercepted, the dust is prevented from entering the air suction channel, and the air suction channel is prevented from being blocked by the dust.
In conclusion, the solar street lamp dust removing device can automatically remove dust from the photovoltaic panel of the street lamp without the input of an external energy mechanism, is more energy-saving and environment-friendly, conforms to the concept of new energy cleaning and environment protection, can repeatedly operate, and has a good cleaning effect.
Drawings
Fig. 1 is a schematic structural diagram of a new energy street lamp self-cleaning photovoltaic panel provided by the invention;
FIG. 2 is a schematic partial structural view of a mounting plate in a new energy street lamp self-cleaning photovoltaic panel provided by the invention;
FIG. 3 is a schematic view of a portion A of FIG. 2;
fig. 4 is a schematic partial structural view of a dust collecting hopper in a new energy street lamp self-cleaning photovoltaic panel provided by the invention.
In the figure: the street lamp comprises a street lamp body 1, a mounting plate 2, a photovoltaic plate 3, an equipment groove 4, a movable plate 5, a winding coil 6, a bar magnet 7, a return spring 8, a strong magnet 9, a sliding groove 10, a first permanent magnet 11, a conductive spring 12, a telescopic air bag 13, a scraper 14, a dust collecting hopper 15, a dust screen 16, a placing groove 17, an elastic air bag 18, a unidirectional air inlet pipe 19, an air suction channel 20, a mounting groove 21, a limiting spring 22, a second permanent magnet 23 and a unidirectional exhaust pipe 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a street lamp self-cleaning photovoltaic panel for new energy comprises a street lamp body 1 and a photovoltaic panel 3 mounted on the street lamp body 1 through a mounting plate 2, wherein an equipment groove 4 is formed on the street lamp body 1, a plurality of guide grooves are symmetrically formed on the inner wall of the equipment groove 4, a movable plate 5 is commonly connected in the guide grooves in a sliding manner, the guide grooves enable the movable plate 5 to move more stably, a plurality of reset springs 8 and bar magnets 7 are respectively connected to two sides of the movable plate 5, a plurality of winding coils 6 are arranged on the wall of the equipment groove 4, each bar magnet 7 is connected in a corresponding winding coil 6 in a sliding manner, when the bar magnets 7 slide in the corresponding winding coils 6, the winding coils 6 can perform cutting magnetic induction line movement in a magnetic field formed by the bar magnets 7, a connecting rod is fixedly connected to one side of the movable plate 5 away from the bar magnets 7, one end of the connecting rod away from the movable plate 5 penetrates through the, and the strong magnet 9 is right opposite to one side of the road;
two sliding grooves 10 are symmetrically formed in the mounting plate 2, a first permanent magnet 11 is connected in each sliding groove 10 in a sliding manner, a conductive spring 12 and a telescopic airbag 13 are fixedly connected to the upper inner wall and the lower inner wall of each sliding groove 10 respectively, one end, far away from the inner wall of the corresponding sliding groove 10, of each conductive spring 12 and one end, far away from the inner wall of the corresponding sliding groove 10, of each telescopic airbag 13 are fixedly connected to the upper end face and the lower end face of the corresponding first permanent magnet 11 respectively, a scraper 14 is fixedly connected between the two first permanent magnets 11, a rubber scraper strip is glued on the scraper 14, the rubber scraper strip is always in contact with the photovoltaic panel 3 when the scraper 14 is positioned above the photovoltaic panel 3, an ash collecting hopper 15 is formed in the mounting plate 2, the ash collecting hopper 15 is positioned above the photovoltaic panel 3, and the two;
the mounting plate 2 is further provided with a placing groove 17, an elastic airbag 18 is arranged in the placing groove 17, a unidirectional air inlet pipe 19 is communicated between each telescopic airbag 13 and each elastic airbag 18, the unidirectional air inlet pipe 19 only allows air in each elastic airbag 18 to enter the corresponding telescopic airbag 13 through the unidirectional air inlet pipe 19, the mounting plate 2 is symmetrically provided with a plurality of air suction channels 20 communicated with the elastic airbags 18, a part of each air suction channel 20 is positioned below the ash collecting hopper 15, a plurality of through holes are communicated between the part and the ash collecting hopper 15, the side wall of each air suction channel 20 is provided with a mounting groove 21, each mounting groove 21 is elastically connected with a second permanent magnet 23 through a limiting spring 22, each second permanent magnet 23 is slidably connected with the groove wall of the corresponding mounting groove 21, and in a normal state, the lower end of each second permanent magnet 23 is abutted against the inner wall of the corresponding air suction channel 20 under the elastic action of the corresponding limiting spring 22, so as to block the air suction channel 20, and the opposite side of each second permanent magnet 23 to the corresponding first permanent magnet 11 is opposite in magnetic pole.
In the invention, a dust screen 16 is horizontally arranged in the dust collecting hopper 15, the communication positions of a plurality of through holes and the dust collecting hopper 15 are all positioned below the dust screen 16, each telescopic air bag 13 is connected with a one-way exhaust pipe 24, and the one-way exhaust pipe 24 only allows the gas in the telescopic air bag 13 to be exhausted to the outside through the one-way exhaust pipe 24.
When the street lamp is used, because the street lamp is generally arranged beside a road, when a running vehicle passes through the street lamp body 1, because the vehicle body contains a large amount of ferromagnetic metal, the strong magnetic block 9 is attracted by the vehicle to drive the movable plate 5 to move towards the direction close to the vehicle body and press the return spring 8, and simultaneously the bar magnets 7 slide towards the left side in the corresponding winding coils 6, when the vehicle leaves the street lamp body 1, the strong magnetic block 9, the movable plate 5 and the bar magnets 7 are reset under the elastic force of the return spring 8, the bar magnets 7 slide towards the right side in the corresponding winding coils 6, in the process, the magnetic flux in the winding coils 6 changes, the conductive coils on the winding coils 6 generate current and are transmitted to the two conductive springs 12 through leads, and because the directions of the currents passing through the coils in the conductive springs 12 are consistent, according to the characteristic that attractive force can be generated between adjacent coils in the same current direction, and because the upper ends of the conductive springs 12 are fixedly connected to the inner top wall of the sliding chute 10, the two conductive springs 12 contract simultaneously and drive the scraper 14 to move upwards together through the two first permanent magnets 11, the scraper 14 can scrape off dust on the photovoltaic panel 3, and when the scraper 14 moves to the position above the dust collecting hopper 15, the dust cleaned by the scraper 14 from the photovoltaic panel 3 falls into the dust collecting hopper 15, so that dust removal work of the photovoltaic panel 3 is completed;
meanwhile, in the process that the first permanent magnet 11 moves upwards, the first permanent magnet 11 stretches the telescopic air bag 13, then the air in the elastic air bag 18 enters the telescopic air bag 13 through the one-way air inlet pipe 19, because the air suction channel 20 is blocked by the second permanent magnet 23 at this time, along with the gradual reduction of the air amount in the elastic air bag 18, the elastic air bag 18 slowly shrinks until the scraper 14 moves to the upper part of the dust collecting hopper 15, at this time, the first permanent magnet 11 also moves to the right upper part of the corresponding second permanent magnet 23, the second permanent magnet 23 moves upwards under the action of the attraction force of the first permanent magnet 11 to shrink to the corresponding mounting groove 21 and extrudes the corresponding limiting spring 22, at this time, the air suction channel 20 is not blocked, the elastic air bag 18 is communicated with the dust collecting hopper 15, then the air in the dust collecting hopper 15 is supplemented to the elastic air bag 18 through the air suction channel, so as to form a downward attraction force above the dust collecting hopper 15, can be fast inhale to the ash collecting bucket 15 with the dust of separation on the scraper blade 14 in, can peel off and inhale to the ash collecting bucket 15 to the dust of adhesion on scraper blade 14 simultaneously to guarantee the cleanness of scraper blade 14, and then improved the clean effect of scraper blade 14 to photovoltaic board 3, dust screen 16 can intercept the dust that gets into the ash collecting bucket 15 along with the air current at this in-process, prevent that the dust from getting into in the suction channel 20, avoid suction channel 20 to be blockked up by the dust.
Then, the current on the conductive spring 12 disappears, the suction force between the coils in the conductive spring 12 disappears, the conductive spring 12 and the telescopic airbag 13 recover, the gas in the telescopic airbag 13 is exhausted to the outside through the one-way exhaust pipe 24, the first permanent magnet 11 moves downwards under the action of the conductive spring 12 and the telescopic airbag 13 to reset, the first permanent magnet 11 is far away from the second permanent magnet 23, and the lower end of the second permanent magnet 23 abuts against the inner wall of the air suction channel 20 again under the elastic force of the limiting spring 22 to block the air suction channel 20.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A street lamp self-cleaning photovoltaic panel for new energy comprises a street lamp body (1) and a photovoltaic panel (3) installed on the street lamp body (1) through an installation plate (2), and is characterized in that an equipment groove (4) is formed in the street lamp body (1), a movable plate (5) is vertically and slidably connected in the equipment groove (4), a plurality of reset springs (8) and bar magnets (7) are respectively connected to two sides of the movable plate (5), a plurality of winding coils (6) are arranged on the groove wall of the equipment groove (4), each bar magnet (7) is slidably connected in the corresponding winding coil (6), and a strong magnetic block (9) is connected to the movable plate (5) through a connecting rod;
the photovoltaic winding device is characterized in that a plurality of sliding grooves (10) are symmetrically formed in the mounting plate (2), a first permanent magnet (11) is connected in each sliding groove (10) in a sliding mode, a conductive spring (12) and a telescopic airbag (13) are fixedly connected to the upper inner wall and the lower inner wall of each sliding groove (10) respectively, one end, far away from the inner wall of the corresponding sliding groove (10), of each conductive spring (12) and one end, far away from the inner wall of the corresponding sliding groove (10), of each telescopic airbag (13) are fixedly connected to the corresponding first permanent magnet (11), a scraper (14) is connected between the first permanent magnets (11), a dust collection hopper (15) is formed in the mounting plate (2), the dust collection hopper (15) is located above the photovoltaic panel (3), and the conductive springs (12) are respectively coupled with the winding coils (;
still seted up standing groove (17) on mounting panel (2), be equipped with elastic air bag (18) in standing groove (17), every all communicate between flexible air bag (13) and elastic air bag (18) and be equipped with one-way intake pipe (19), a plurality of suction channel (20) with elastic air bag (18) intercommunication are seted up to the symmetry on mounting panel (2), and all communicate between every suction channel (20) and collection ash bucket (15) and be equipped with a plurality of through-holes, every mounting groove (21) have all been seted up on suction channel (20) lateral wall, every all there are second permanent magnetism piece (23) through spacing spring (22) elastic connection in mounting groove (21), and every second permanent magnetism piece (23) and the relative one side magnetic pole of first permanent magnetism piece (11) that correspond are opposite.
2. The self-cleaning photovoltaic panel of the street lamp for new energy as claimed in claim 1, characterized in that the scraping plate (14) is glued with a rubber scraping strip which is always in contact with the photovoltaic panel (3).
3. The self-cleaning photovoltaic panel of the street lamp for the new energy according to claim 1, wherein a dust screen (16) is horizontally arranged in the dust hopper (15), and the communication positions of the through holes and the dust hopper (15) are all located below the dust screen (16).
4. The self-cleaning photovoltaic panel of the street lamp for the new energy source as claimed in claim 1, wherein each of the telescopic airbags (13) is connected with a one-way exhaust pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010321293.9A CN111510062A (en) | 2020-04-22 | 2020-04-22 | Street lamp automatically cleaning photovoltaic board for new forms of energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010321293.9A CN111510062A (en) | 2020-04-22 | 2020-04-22 | Street lamp automatically cleaning photovoltaic board for new forms of energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111510062A true CN111510062A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010321293.9A Withdrawn CN111510062A (en) | 2020-04-22 | 2020-04-22 | Street lamp automatically cleaning photovoltaic board for new forms of energy |
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| Country | Link |
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| CN (1) | CN111510062A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939677A (en) * | 2020-08-10 | 2020-11-17 | 段昌礼 | Double-cylinder air draft equipment for underground engineering construction |
| CN112038997A (en) * | 2020-08-21 | 2020-12-04 | 于小强 | Energy-conserving heat dissipation communication cable ditch well |
| CN112426778A (en) * | 2020-11-20 | 2021-03-02 | 叶春秀 | Automatic cleaning type building sewage treatment equipment |
| CN112495859A (en) * | 2020-11-17 | 2021-03-16 | 方坡 | Self-cleaning device of photovoltaic power generation board |
| CN112695977A (en) * | 2020-12-12 | 2021-04-23 | 夏明军 | Self-cleaning type underground light pipe is with light-absorpting shade |
| CN114224231A (en) * | 2021-12-16 | 2022-03-25 | 安徽医学高等专科学校 | A monitor for cognitive disorder old man is environment at home |
-
2020
- 2020-04-22 CN CN202010321293.9A patent/CN111510062A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939677A (en) * | 2020-08-10 | 2020-11-17 | 段昌礼 | Double-cylinder air draft equipment for underground engineering construction |
| CN112038997A (en) * | 2020-08-21 | 2020-12-04 | 于小强 | Energy-conserving heat dissipation communication cable ditch well |
| CN112495859A (en) * | 2020-11-17 | 2021-03-16 | 方坡 | Self-cleaning device of photovoltaic power generation board |
| CN112426778A (en) * | 2020-11-20 | 2021-03-02 | 叶春秀 | Automatic cleaning type building sewage treatment equipment |
| CN112695977A (en) * | 2020-12-12 | 2021-04-23 | 夏明军 | Self-cleaning type underground light pipe is with light-absorpting shade |
| CN114224231A (en) * | 2021-12-16 | 2022-03-25 | 安徽医学高等专科学校 | A monitor for cognitive disorder old man is environment at home |
| CN114224231B (en) * | 2021-12-16 | 2022-09-20 | 安徽医学高等专科学校 | A monitor for cognitive disorder old man is environment at home |
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Application publication date: 20200807 |